changed css
Merge pull request #159 from ICTKyouikukei2013/kamiya/cleanup

use table layout in login page
Merge pull request #161 from ICTKyouikukei2013/kosuke/html

changed css
fix GoalItem get, remove
add test of GoalItem get,remove
change spec of GoalItem.get's return value
fix .get methods' return value and code using such return values